Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Jaarsveldt, J (Jc)

Chess SA id

1110310870

FIDE id

Date of birth

2011-03-01 (U16)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1199.8	1200	1200	1191.9
Raw rating	1199.8	1200	1200	1191.9
Weighted rating	1199.8	1200	1200	1190.6
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.9	165.8	165.8	167.7
Highest rating	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01
Highest raw rating	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01
Highest weighted rating	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01	1200 2024-09-01
Highest weighted performance	1200 2024-12-01	1200 2024-09-01	1200 2024-09-01	1200 2024-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1199.8	1200	1200	1191.9
Analysis
Rating	1199.8	1200	1200	1191.9
Raw rating	1199.8	1200	1200	1191.9
Weighted rating	1199.8	1200	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	165.9	165.8	165.8	167.7
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1199.8	1200	1200	1191.9
New weighted rating	1199.8	1200	1200	1190.6
New weighted performance	0	0	0	0
Temp new rating	1199.8	1200	1200	1191.9
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1199.8	1200	1200	1191.9
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Blitz
	0	0
	0	0
	7	7
	0	0
	0	0
	0	0
History	7	7

Games since
	Main 7	Standard 0		Rapid 0		Blitz 7
Gender	Male
Age group	U16
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	7	3	42.86	-60.7	1244.1	1183.4
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	7	3	42.86	-60.7	1244.1	1183.4

Date	Main	Standard	Rapid	Blitz
2025-11-01	1199.8	1200	1200	1191.9
2025-09-30	1199.8	1200	1200	1191.9
2025-09-01	1199.8	1200	1200	1191.9
2025-08-01	1199.8	1200	1200	1191.9
2025-07-01	1199.8	1200	1200	1191.9
2025-06-01	1199.8	1200	1200	1191.9
2025-05-01	1199.8	1200	1200	1191.9
2025-04-01	1199.8	1200	1200	1191.9
2025-03-01	1199.8	1200	1200	1191.9
2025-02-01	1199.8	1200	1200	1191.1
2025-01-01	1199.4	1200	1200	1175.6
2024-12-01	1199.4	1200	1200	1175.6
2024-11-01	1199.4	1200	1200	1175.6
2024-10-01	1199.4	1200	1200	1175.6
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Grey College Team Championship 2025 (B)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	0	0	No	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Grey College Team Championship 2025 (B)	2025-02-21	2025-02-22	Standard	Mangaung (FMB)	5	0	0	No	Analysis
2	Smart Chess Blitz 2024 (B)	2024-09-07	2024-09-07	Blitz	Mangaung (FMB)	7	7	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 1	type Blitz	result 1	date 2024-09-07	rnd 2	type Blitz	result 1
		Opponent Van Wyk, P (Petrus Gerhardus)				Opponent Rametsi, O (Oarabile)
2	1	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 4	type Blitz	result 1	date 2024-09-07	rnd 4	type Blitz	result 1
		Opponent Gibbons, G (Gregory)				Opponent Gibbons, G (Gregory)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 1	type Blitz	result 1	date 2024-09-07	rnd 2	type Blitz	result 1
		Opponent Van Wyk, P (Petrus Gerhardus)				Opponent Rametsi, O (Oarabile)
2	1	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 4	type Blitz	result 1	date 2024-09-07	rnd 4	type Blitz	result 1
		Opponent Gibbons, G (Gregory)				Opponent Gibbons, G (Gregory)

#	Games	Start				End
1	2	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 1	type Blitz	result 1	date 2024-09-07	rnd 2	type Blitz	result 1
		Opponent Van Wyk, P (Petrus Gerhardus)				Opponent Rametsi, O (Oarabile)
2	1	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 4	type Blitz	result 1	date 2024-09-07	rnd 4	type Blitz	result 1
		Opponent Gibbons, G (Gregory)				Opponent Gibbons, G (Gregory)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 1	type Blitz	result 1	date 2024-09-07	rnd 2	type Blitz	result 1
		Opponent Van Wyk, P (Petrus Gerhardus)				Opponent Rametsi, O (Oarabile)
2	1	Tournament Smart Chess Blitz 2024				Tournament Smart Chess Blitz 2024
		date 2024-09-07	rnd 4	type Blitz	result 1	date 2024-09-07	rnd 4	type Blitz	result 1
		Opponent Gibbons, G (Gregory)				Opponent Gibbons, G (Gregory)

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Rametsi ,O (Oarabile)	1	1	425	0	0	0	0	0	0	1	1	425
1	Rametsi ,O (Oarabile)	1	1186.7	1611.7	0	0	0	0	0	0	1	1200	1611.7
2	January ,O (Oratile)	1	0	-425	0	0	0	0	0	0	1	0	-425
2	January ,O (Oratile)	1	1324.8	899.8	0	0	0	0	0	0	1	1069.6	899.8
3	Mclachlan ,J (James)	1	0	-425	0	0	0	0	0	0	1	0	-425
3	Mclachlan ,J (James)	1	1315.8	890.8	0	0	0	0	0	0	1	1200	890.8
4	Mohobane ,L (Lebajoa)	1	0	-425	0	0	0	0	0	0	1	0	-425
4	Mohobane ,L (Lebajoa)	1	1289.8	864.8	0	0	0	0	0	0	1	1200	864.8
5	Struwig ,A (Alex)	1	0	-425	0	0	0	0	0	0	1	0	-425
5	Struwig ,A (Alex)	1	1201.9	776.9	0	0	0	0	0	0	1	1200	776.9
6	Gibbens ,G (Gregory)	1	1	425	0	0	0	0	0	0	1	1	425
6	Gibbens ,G (Gregory)	1	1230.9	1655.9	0	0	0	0	0	0	1	1200	1655.9
7	Van Wyk ,P (Petrus Gerhardus)	1	1	425	0	0	0	0	0	0	1	1	425
7	Van Wyk ,P (Petrus Gerhardus)	1	1158.9	1583.9	0	0	0	0	0	0	1	1200	1583.9

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Van Jaarsveldt, J (Jc)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms